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Re: Draw3D ColorFunction->Hue
*To*: mathgroup at smc.vnet.net
*Subject*: [mg60356] Re: [mg60336] Draw3D ColorFunction->Hue
*From*: "David Park" <djmp at earthlink.net>
*Date*: Wed, 14 Sep 2005 03:27:21 -0400 (EDT)
*Sender*: owner-wri-mathgroup at wolfram.com
Janwillem,
The problem is only that you have to turn off the Lighting in the
Draw3DItems statement.
Needs["DrawGraphics`DrawingMaster`"]
fsize = 14;
tstyle = {FontFamily -> "Helvetica", FontSize -> fsize,
FontWeight -> "Bold"};
muConcrete = 2.3*0.05;
LConcrete = 10;
FConcrete = 0.14;
lConcrete = 10;
RnCorrection = 1 - F (L/lambda)Cosh[x/lambda]/Sinh[L/lambda] // FullSimplify
f = RnCorrection /. {mu -> muConcrete, L -> LConcrete, F -> FConcrete};
Draw3DItems[
{Draw3D[f, {lambda, 5, 15}, {x, -LConcrete, LConcrete},
ColorFunction -> (Hue[0.75*(1 - #)] &)],
{Text[
"Correction factor", {5, -10, 0.85}, {-.6, 0}, {0, 1},
TextStyle -> tstyle]}},
Lighting -> False,
Axes -> Automatic,
AxesLabel -> {"Path length (cm)", "Depth (cm)", ""},
BoxRatios -> {1, 1, 0.7},
TextStyle -> tstyle,
ImageSize -> 500];
Or, if you want the lighting on to obtain a little shading you can convert
the Hue specifications to SurfaceColor specifications and use
NeutralLighting.
Draw3DItems[
{Draw3D[f, {lambda, 5, 15}, {x, -LConcrete, LConcrete},
ColorFunction -> (Hue[0.75*(1 - #)] &)] /.
Hue[h_] :> SurfaceColor[Hue[h]],
{Text[
"Correction factor", {5, -10, 0.85}, {-.6, 0}, {0, 1},
TextStyle -> tstyle]}},
NeutralLighting[0.3, 0.5, 0.1],
Axes -> Automatic,
AxesLabel -> {"Path length (cm)", "Depth (cm)", ""},
BoxRatios -> {1, 1, 0.7},
TextStyle -> tstyle,
ImageSize -> 500];
Hope that helps.
David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/
From: Janwillem [mailto:j.vandijk at xyz-nl.com.nijmegen.internl.net]
To: mathgroup at smc.vnet.net
I want to make a 3D surface plot of which the colour changes depending
on the z-value over the full hue-range. With just Plot3D this works.
However, I want the z-axis legend vertical and therefore thought of
using David Park's package using Draw3D and Draw3DItems. This however
refuses to take ColorFunction as an option.
1) Is there a solution for this colouring problem?
2) How do I get the z-label to the left of the plot and still have the
box along the plot-axes?
Thanks for the help
Janwillem
<<Graphics`Graphics`
<<Graphics`Graphics3D`
<<DrawGraphics`DrawingMaster`
fsize=14;
tstyle={FontFamily\[Rule]"Helvetica",FontSize\[Rule]fsize,
FontWeight\[Rule]"Bold"};
muConcrete=2.3*0.05;
LConcrete=10;
FConcrete=0.14;
lConcrete=10;
RnCorrection=1-F (L/lambda)Cosh[x/lambda]/Sinh[L/lambda]//FullSimplify
f=RnCorrection/.{mu->muConcrete,L->LConcrete,F\[Rule]FConcrete};
p3d=Plot3D[f,{lambda,5,15},{x,-LConcrete,LConcrete},
ColorFunction\[Rule](Hue[0.75*(1-#)]&),
AxesLabel\[Rule]{"Path length (cm)","Depth (cm)","Correction
factor"},
BoxRatios\[Rule]{1,1,0.7},TextStyle->tstyle,ImageSize\[Rule]500];
pl=Draw3D[f,{lambda,5,15},{x,-LConcrete,LConcrete}];
Draw3DItems[{pl,{Text["Correction factor",{5,-10,0.85},{-.6,0},{0,1},
TextStyle\[Rule]tstyle]}},Axes\[Rule]Automatic,
AxesLabel\[Rule]{"Path length (cm)","Depth (cm)",""},
BoxRatios\[Rule]{1,1,0.7},TextStyle->tstyle,ImageSize\[Rule]500]
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